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The documents in the src attributes of the iframes below only contain comments. This test is for a bug where we would only construct LayoutViews for such iframes. We need to propery construct an empty frame instead, so the LayoutView should have a LayoutBlockFlow and LayoutBlockFlow below it in the dump of the RenderTree.
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<IFRAME src="resources/comment.html" width="100%" height="10"  frameborder=1 ></IFRAME>
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<IFRAME src="resources/commentX.xhtml" width="100%" height="10"  frameborder=1 ></IFRAME>

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